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Wheel Bearings Diagnosis

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Wheel Bearings Diagnosis

Step Action Values Yes No
1 Did you review the General Description and perform the necessary inspections? - Go to Step 2  Go to Symptoms - Suspension General Diagnosis 
2
  1. Install the J 39570  Chassis Ear.
    2. IMPORTANT: A noise heard during left turns is a good indicator of a noisy right wheel bearing. A noise heard during right turns is a good indicator of a noisy left wheel bearing.
  2. Road test the vehicle to verify the location of the noise. Drive the vehicle on a smooth road at a moderate speed range. While driving, turn the wheel to the left and the right to apply loads to each wheel corner.
Is the noise present at the wheel bearing?		 48-72 kph (30-45 mph) Go to Step 7  Go to Step 3 
3
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Ensure the wheel drive shaft nut is properly tightened. Refer to Fastener Tightening Specifications in Wheel Drive Shafts.
Are the nuts fastened to the correct specified value?		 - Go to Step 4  Go to Step 8 
4
    IMPORTANT: Support the vehicle by the lower control arms or the rear axle to prevent movement during wheel bearing/hub inspection.
  1. Mount and secure the J 8001  Dial Indicator to the steering knuckle.
  2. Firmly push the hub flange towards the vehicle.
  3. Ensure that the dial indicator contacts the vertical surface of the hub as close as possible to the center of the flange.
  4. Firmly pull the hub flange away from the vehicle in order to inspect the total travel indicator by the dial indicator.
Is the measurement greater then the specified value?		 0.127 mm (0.005 in) Go to Step 7  Go to Step 5 
5 Inspect for tire or wheel damage. Refer to Tire and Wheel Assembly Runout Measurement - On-Vehicle in Vibration Diagnosis and Correction.
Did you find and correct the condition?		 - Go to Step 9  Go to Step 6 
6 Inspect the front and/or rear suspension. Refer to Noise Diagnosis - Front Suspension  or Noise Diagnosis - Rear Suspension .
Did you find and correct the condition?		 - Go to Step 9  Go to Step 2 
7 Replace the wheel bearing. Refer to Wheel Bearing/Hub Replacement - Front in Front Suspension or Wheel Bearing/Hub Replacement - Rear (Independent Rear Suspension) or Wheel Bearing/Hub Replacement - Rear (Without Independent Rear Suspension) in Rear Suspension.
Did you complete the repair?		 - Go to Step 9  -
8 Remove the old wheel drive shaft nut and install a NEW wheel drive shaft nut. Tighten to the specified value. Refer to Fastener Tightening Specifications in Wheel Drive Shafts.
Did you complete the repair?		 - Go to Step 9  -
9 Road test the vehicle to verify the repair.
Does the vehicle operate normally?		 - System OK Go to Step 3 
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